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X25149

Features: • Low Vcc Detection and Reset Assertion-Reset Signal Valid to Vcc=1V• Save Critical Data With Block LockTM Protection-Block LockTM Protect 0, 1/4, 1/2 or all ofSerial E2PROM Memory Array• In Circuit Programmable ROM Mode• Long Battery Life With Low Power Consumpti...

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SeekIC No. : 004547114 Detail

X25149: Features: • Low Vcc Detection and Reset Assertion-Reset Signal Valid to Vcc=1V• Save Critical Data With Block LockTM Protection-Block LockTM Protect 0, 1/4, 1/2 or all ofSerial E2PROM Me...

X25149 Data Sheet

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Part Number:
X25149
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

• Low Vcc Detection and Reset Assertion
-Reset Signal Valid to Vcc=1V
• Save Critical Data With Block LockTM Protection
-Block LockTM Protect 0, 1/4, 1/2 or all of
Serial E2PROM Memory Array
• In Circuit Programmable ROM Mode
• Long Battery Life With Low Power Consumption
-<1
 
mA Max Standby Current
-<5mA Max Active Current during Write
-<400
 
mA Max Active Current during Read
• 1.8V to 3.6V, 2.7V to 5.5V and 4.5V to 5.5V Power
Supply Operation
• 2MHz Clock Rate
• Minimize Programming Time
-32 Byte Page Write Mode
-Self-Timed Write Cycle
-5ms Write Cycle Time (Typical)
• SPI Modes (0,0 & 1,1)
• Built-in Inadvertent Write Protection
-Power-Up/Power-Down Protection Circuitry
-Write Enable Latch
-Write Protect Pin
• High Reliability
• Available Packages
-14-Lead SOIC (X2564X)
-14-Lead TSSOP (X2532X, X2516X)
-8-Lead SOIC (X2532X, X2516X)


Pinout

Connection Diagram


Specifications

Temperature under Bias ......................65°C to +135°C
Storage Temperature .........................65°C to +150°C
Voltage on any Pin with Respect to VSS....... 1.0V to +7V
D.C. Output Current ..................................................5mA
Lead Temperature (Soldering, 10 seconds)............300°C


Description

The X25149 combines two popular functions, Supply Voltage Supervision and Serial E2PROM Memory in one package. This combination lowers system cost, reduces board space requirements, and increases reliability.

The user's system is protected from low voltage conditions by the devices low Vcc detection circuitry. When Vcc falls below the minimum Vcc trip point, the system is reset. RESET/RESET is asserted until Vcc returns to proper operating levels and stabilizes.

The memory portion of the X25149 is a CMOS Serial E2PROM array with Xicor's Block LockTM Protection. The array is internally organized as x 8. The device features a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple four-wire bus.

The X25149 utilizes Xicor's proprietary Direct WriteTM cell, providing a minimum endurance of 100,000 cycles per sector and a minimum data retention of 100 years.




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